Celebrities always look smiley and happy, don’t they? We're more than a bit jealous.

Even though the nights are drawing in, it’s freezing and pay day feels like it’s years away, (and we’re not famous and incredibly rich like a famous person), heat and Wrigley’s Extra Ice White have something for you to smile about despite the sadface of winter being upon us - and we want to see your most confident smiles.

We can let you into a bit of a secret behind confident smiling – it’s thanks to Wrigley’s Extra Ice White, which helps remove stains and keep teeth naturally white, giving you the confidence to smile ALL the time.

We’ve got something that could make you smile even more – an amazingly amazing prize. We’re giving someone the chance to have a celeb-style photo shoot courtesy of heat and Wrigley’s Extra Ice White. We’ll bring you to London, treat you to a makeover with a top stylist and a top celeb photographer will snap you looking your prettiest. And on top of that, Wrigley’s Extra are also throwing in some theatre tickets too.

Thanks to Wrigley’s Extra Ice White, you now have the chance to get something back from all that posing and pouting on Facebook. Yep, you could win our amazing prize. All you need to do to be in with a chance of winning is show us your most confident smile and upload it to www.facebook.com/extraofficialUK by clicking on the Confidence To Smile tab.

That’s easy, right? Then you need to get everyone you know on Facebook to vote for you. The ten most popular photos will be judged by heat’s Style Director, Ellie Crompton. What are you waiting for? Get smiling!